Mannan-binding lectin serine protease

Function Mannan-binding lectin serine protease (MASP) are proteases associated with mannan-binding lectin (MLB). The lectin pathway of complement is part of the innate immunity. The pathway activation occurs via recognition of pathogens by MBL followed by activation of MASP leading to activation of the complement system.

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3D structures of mannan-binding lectin serine protease3D structures of mannan-binding lectin serine protease

Updated on 20-December-2016

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• Mannan-building serine protease 1
  • 4aqb – hMASP-1 - human
    
  • 4igd – hMASP-1 catalytic domain (mutant)
    
  • 4djz – hMASP-1 chain A sushi domain, chain B catalytic domain + SGPI-2
    
  • 3gov – hMASP-1 chain A sushi domain, chain B catalytic domain
    
  • 3pob – rMASP-1 CUB2 domain + MBL collagen-like peptide - rat
    
  • 3poe, 3pof, 3pog, 3poi, 3poj – rMASP-1 CUB2 domain
    
• Mannan-building serine protease 2
  • 5jpm, 4fxg – hMASP-2 + complement C4-A
    
  • 3tvj – hMASP-2 chain A sushi 2 domain, chain B catalytic domain + SGPI-2
    
  • 1q3x – hMASP-2 catalytic domain
    
  • 1zjk – hMASP-2 catalytic domain (mutant)
    
  • 1nt0 – hMASP-1 CUB1-EGF-CUB2 domain
    
• Mannan-building serine protease 3
  • 4kkd – hMASP-3 (mutant)
    
  • 3dem – hMASP-3 CUB1-EGF-CUB2 domain
    
  • 4iw4 – MASP-3 catalytic domain + ecotin – Escherichia coli